Hammock stand



FIG. 1 is a perspective view of a hammock stand showing the new design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines shown are included for the purpose of illustrating portions of the article which form no part of the claimed design. The shading lines shown in the drawings represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration. 

CLAIM The ornamental design for a hammock stand, as shown and described. 